62 TREES OF THE NORTHERN UNITED STATES 
ZZ, Leaves very broad at base, half clasping the stem and rapidly 
narrowed to an acute tip; hardly at all spreading from the 
thread-like twigs; flowers pinkish, in spike-like clusters. ... 
hapegined Magia side Ba Rik 4 a/8 & pees Bes se ysis imanbeoaaiwn 6. Tamarix. 
ZZ. Leaves more elongated, quite even in width, not clasping the 
SLOMs Secoewat As a4 seeds Sea yeh oe -101. Taxodium. 
CLASS IL ANGIOSPERMZ. 
Plants with a pistil consisting of a closed ovary, which 
contains the ovules and forms the fruit. 
OrvEeR I. MAGNOLIACEA. (Maenorta Famiy.) 
Trees or shrubs, mainly of tropical regions, including, 
in our section, the three following genera: 
Genus 1. MAGNOLIA. 
Trees and tall shrubs with alternate, thick, smooth, en- 
tire leaves with deciduous stipules which form the bud- 
seales, and are attached entirely around the stem, leaving 
a ridge, as in Liriodendron. 
Flowers very large (3 to 10 in. in diameter), usually 
white, solitary. 
Fruit a large cone from which the seeds, drupe-like, 
usually red, hang out on long threads during the autumn. 
* Blooming with or before the opening of the leaves. (A.) 
A. Flowers entirely white............. 00... ccc eee eee 9, 10. 
A. Flowers dark purple.......... 06 eee eee eee ee 11. 
A. Flowers mixed purple and white. <A large number of 
hybrids from China and Japan. 
* Blooming after the leaves expand. (B.) 
B. Leaves evergreen, more than 8 in. loug ...............- 1. 
B. Leaves evergreen, not 6 in. long ..........466. eieaisiase iat de 
B. Leaves deciduous. (C.) 
